// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_RESIZE_LOCK_H_
#define CONTENT_BROWSER_RENDERER_HOST_RESIZE_LOCK_H_

#include "base/macros.h"
#include "content/common/content_export.h"
#include "ui/gfx/geometry/size.h"

namespace content {

class CONTENT_EXPORT ResizeLock {
public:
    virtual ~ResizeLock();

    virtual bool GrabDeferredLock();
    virtual void UnlockCompositor();

    const gfx::Size& expected_size() const { return new_size_; }

protected:
    ResizeLock(const gfx::Size new_size, bool defer_compositor_lock);

    virtual void LockCompositor();

private:
    gfx::Size new_size_;
    bool defer_compositor_lock_;

    DISALLOW_COPY_AND_ASSIGN(ResizeLock);
};

} // namespace content

#endif // CONTENT_BROWSER_RENDERER_HOST_RESIZE_LOCK_H_
